Spare Ring for Aerosol Monitor Cassette. For use with 37mm aerosol analysis monitors. Millipore′s 37mm Aerosol Analysis Monitors are transparent, disposable, plastic filter holders for use with Type MF (mixed cellulose esters) Millipore filters. A thin cellulose support seals the filter between monitor sections to distribute sample flow evenly over the filter surface. A spare ring can be inserted into the monitor cassette to increase number of stages in the aerosol monitor. This extended length be helpful or needed for different regulations.

Aerosol analysis monitors are available with 0.45 μm and 0.8 μm cellulose ester membranes. Matched weight monitors contain two filters matched in weight to within 0.1mg, eliminating test filter pre-weighing in gravimetric analysis. Add spare ring to existing cassette to increase number of stages in monitor

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